diff options
| author | suz <suz@FreeBSD.org> | 2005-10-19 15:05:42 +0000 |
|---|---|---|
| committer | suz <suz@FreeBSD.org> | 2005-10-19 15:05:42 +0000 |
| commit | 7cb7aed97b0e1c3253828f94db5e8b65429fded3 (patch) | |
| tree | 3dc9168e29ff177252961d6c77b2be13d7b389e2 /sys/netinet6 | |
| parent | e0f0e9f59a385855edfc18a8090a03938fea36b2 (diff) | |
| download | FreeBSD-src-7cb7aed97b0e1c3253828f94db5e8b65429fded3.zip FreeBSD-src-7cb7aed97b0e1c3253828f94db5e8b65429fded3.tar.gz | |
added an ioctl option in kernel so that ndp/rtadvd can change some NDP-related kernel variables based on their configurations (RFC2461 p.43 6.2.1 mandates this for IPv6 routers)
Obtained from: KAME
Reviewd by: ume, gnn
MFC after: 2 weeks
Diffstat (limited to 'sys/netinet6')
| -rw-r--r-- | sys/netinet6/in6.c | 1 | ||||
| -rw-r--r-- | sys/netinet6/in6_var.h | 1 | ||||
| -rw-r--r-- | sys/netinet6/nd6.c | 28 |
3 files changed, 30 insertions, 0 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index 77124f5..53d2c2d 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -361,6 +361,7 @@ in6_control(so, cmd, data, ifp, td) /* FALLTHROUGH */ case OSIOCGIFINFO_IN6: case SIOCGIFINFO_IN6: + case SIOCSIFINFO_IN6: case SIOCGDRLST_IN6: case SIOCGPRLST_IN6: case SIOCGNBRINFO_IN6: diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h index 148fdbd..6bf87b2 100644 --- a/sys/netinet6/in6_var.h +++ b/sys/netinet6/in6_var.h @@ -404,6 +404,7 @@ struct in6_rrenumreq { #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) #endif #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) +#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c index 46b1ea1..ae3664f 100644 --- a/sys/netinet6/nd6.c +++ b/sys/netinet6/nd6.c @@ -1441,6 +1441,34 @@ nd6_ioctl(cmd, data, ifp) ND = *ND_IFINFO(ifp); ND.linkmtu = IN6_LINKMTU(ifp); break; + case SIOCSIFINFO_IN6: + /* + * used to change host variables from userland. + * intented for a use on router to reflect RA configurations. + */ + /* 0 means 'unspecified' */ + if (ND.linkmtu != 0) { + if (ND.linkmtu < IPV6_MMTU || + ND.linkmtu > IN6_LINKMTU(ifp)) { + error = EINVAL; + break; + } + ND_IFINFO(ifp)->linkmtu = ND.linkmtu; + } + + if (ND.basereachable != 0) { + int obasereachable = ND_IFINFO(ifp)->basereachable; + + ND_IFINFO(ifp)->basereachable = ND.basereachable; + if (ND.basereachable != obasereachable) + ND_IFINFO(ifp)->reachable = + ND_COMPUTE_RTIME(ND.basereachable); + } + if (ND.retrans != 0) + ND_IFINFO(ifp)->retrans = ND.retrans; + if (ND.chlim != 0) + ND_IFINFO(ifp)->chlim = ND.chlim; + /* FALLTHROUGH */ case SIOCSIFINFO_FLAGS: ND_IFINFO(ifp)->flags = ND.flags; break; |
